Refer to the following letter series (Left to Right): (Left) F O Z E P U G K I A M R L X T Q N W C Y D (Right) How many consonants are there, each of which is immediately preceded by a vowel and also immediately followed by a vowel?

Refer to the following letter series and answer the question that follows. (Left) M P L T V H B U I N G F D C R E W X L M P O T Y R C D S W Z X D F (Right) How many letters are there in the letter series between the letter which is sixth from the right end and sixth from the left end of the series?